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(b) Assume that your answer for (a) was rad/s. Given that the absorber has a stiffness of
, determine the unknown mass
of the absorber in kg, such that the natural frequency of the bridge is absorbed by the mass. / Aanvaar dat jou antwoord vir (a) was
rad/s. Gegewe dat die vibrasie absorbeerder ’n styfheid het van
, bepaal die onbekende massa
van die absorbeerder in kg sodat die natuurlike frekwensie van die brug deur die massa geabsorbeer word.
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